Existing Today

Retrofitted for Tomorrow

Urbanisation

Region % of Final Energy Use in Urban Areas

North America 86%

Pacific OECD 78%

Western Europe 81%

Eastern Europe 72%

Former USSR 78%

Sub-Saharan Africa 54%

Latin America 85%

North Africa & Middle East

84%

China & Central Pacific Asia

65%

Pacific Asia 75%

South Asia 51%

World 76%

Population Shifts and Energy Demand

Source: Global Energy Assessment (2012)

(Billion)

Source : WBCSD, Report 2009. U.S. DOE, Energy Data Book, Oct. 2009

Global

Buildings

40% Industry

32%

Transportation

28%

Buildings

(USA)

HVAC

40%

Lightings

16% Water

heating

10% Electronics

9%

Other

25%

Source : Carrier Singapore’s estimates

Hotel

(Tropics)

Chiller

Plant

45%

Lighting

20%

Airside

15%

Other

15% Lifts

5%

3

Overview

Energy Pareto

HIGHER VARIABILITY AND HIGHER ENERGY CONSUMPTION OF THE CHILLER PLANT IS LEADING TOWARDS HIGHER OPERATIONAL COST

High Usage Variability

Low Usage Variability

Low Energy Consumption High Energy Consumption

ENERGY IN BUILDINGS

HVAC Plant Room 45%

GOOD 0.5 – 0.7

FAIR 0.7-0.8

POOR 0.8 – 1.2

NEEDS IMPROVEMENT

> 1.2

COOLING

CAPACITY

As

pe

r A

SH

RA

E g

uid

e

pe

rfo

rma

nc

e e

va

lua

tio

n

Design mode

Actual Working Mode

Designed

Actual

PLANT ROOM ENERGY CONSUMPTION

Efficiency Variance Vs Design

6

REASONS OF ENERGY LOSS

Hidden?

Visible

Old Equipment

Varying Occupancy

Non Coordinated System

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

Wrong Equipment Selection

No Measurement / Diagnostics

System Waste

Low Efficiency Equipment Poor Water Quality

Improper Maintenance

Fouled Condenser Tubes

Many Piping Bends

Wrong Cooling Tower Installation

PLANT ROOM SYSTEM

0.4

0.5

0.6

0.7

0.8

0.9

1

30 40 50 60 70 80 90 100

CS Centri VS Centri

VS Screw

Variable Speed Screw Chiller

Each equipment has its own

Operating Curve at various Load

and Ambient (Operating) Conditions

System Level efficiency depends on :

Equipment Efficiencies

Synchronization between equipment

at varying operating conditions

Optimization algorithms to deliver the

output at lowest energy

8

PLANT ROOM ENERGY CONSUMPTION

Efficiency Improvement

Measurement & spot analysis

Assess load & energy profiling

Micro level equipment assessment

Multi-level energy solution proposals

Installation With guaranteed payback

Green Maintenance Energy Sustenance

360˚ solution

0.50

0.60

0.70

0.80

0.90

1.00

1.10

1.20

1.30

Po

or

Fair

G

oo

d

Exce

llen

t

ASHRAE

Guide

Ch

ille

r P

lan

t S

ys

tem

Eff

icie

nc

y

(ik

W/t

on

)

$98k

3 Months

savings

$131K/yr

Committed

savings

$545k/yr

Committed

savings

$98k/yr

Committed

savings $221k/yr

Committed

savings

$130k/yr

Committed

savings

$90k/yr

Committed

savings

Case Studies : India

10.4 Million Units of energy saved in 2017

Taj Hotel Case study

2014 Baseline

52-58% Electricity Consumption from HVAC

40-45% Contribution from Chillers, Pumps &CT

Intervention :

Building Audit

Energy Efficient VFD Chiller Retrofit

Plant System Manager with advanced controls

Results : Nine Months – July’15 to Mar’16

(without peak months Apr-June)

26% Plant Room Efficiency Improvement

100,000 KWH Savings

90 Lacs Monetary Savings

23000 Litres of HSD Savings for Diesel Generator

CASE STUDIES - ASIA

ASHRAE

Level 2 Audit

Report

Submission with

ECM & Payback

Analysis

Retrofit Financing

Solutions &

Implementation

Submission of

Findings to BEE

M & V

Post

Implementation

UTC TERI CENTRE OF EXCELLENCE

Study of Energy Efficiency in Building in

five climatic zone in India

ASHRAE Level 2 Audits

Enabling Asset owners to realize the

energy savings potential

32 Detailed Audits Completed & 26 Mil

KWH Savings potential identified per

annum

TERI UTC COE program intends to

cover the Retrofit Project Cycle .

COE can assist in sourcing technology

to implementation and verification of

energy savings.

Infosys Case study

3X LIGHTING

ENERGY

3X AIR-CON

ENERGY

$80M ELECTRICAL

ENERGY COST

Optimum

Energy Use Improved

Comfort

Operational

Efficiency

Lower

Breakdown

CONVERGING BUILDING TRENDS

Operational efficiency

Energy efficiency

Operational efficiency

En

erg

y e

ffic

ien

cy

HVAC

Controls

Fire systems Security systems Building

management Vertical

Transportation

HVAC 40%

IT/ Electronics

9% Water Heating

10% Lighting

16%

Lifts 5%

Other 20%

Data source: U.S. DOE, building energy book

HVAC

controls Others

Building

Management Building

Automation

Security Fire

The Next Evolution….Analytics using IOT !

United Technologies is one.

Few companies can change the world.